Is Vape Smoke Harmful? What's The Difference Between Smoke & Vapor? Vaping and Juuling Harmless? John Condron, MS Smoke Buddy Is Electronic Cigarette Vapour Harmful To Those Around You More Harmful Than Cigarettes Australia Young people and vaping Lincolnshire ICB Vaping reduces saliva flow, increasing the risk of cavities and bad breath. If you vape, giving your mouth a break matters. The longer you wait between puffs, the more time your saliva